diff --git a/eulaurarien.sh b/eulaurarien.sh
index 88622f5..0cb45d7 100755
--- a/eulaurarien.sh
+++ b/eulaurarien.sh
@@ -2,6 +2,7 @@
 
 # Main script for eulaurarien
 
+./fetch_resources.sh
 ./collect_subdomains.sh
 ./filter_subdomains.sh
 
diff --git a/fetch_resources.sh b/fetch_resources.sh
new file mode 100755
index 0000000..5ff9d01
--- /dev/null
+++ b/fetch_resources.sh
@@ -0,0 +1,16 @@
+#!/usr/bin/env bash
+
+# Get a list of nameservers
+
+rm -f nameservers
+touch nameservers
+[ -f nameservers.head ] && cat nameservers.head >> nameservers
+curl https://public-dns.info/nameservers.txt | sort -R | head -64 >> nameservers
+
+# Get top 1M subdomains
+
+wget http://s3-us-west-1.amazonaws.com/umbrella-static/top-1m.csv.zip
+unzip top-1m.csv.zip
+sed 's|^[0-9]\+,||' top-1m.csv > subdomains/cisco-umbrella_popularity.cache.list
+rm top-1m.csv top-1m.csv.zip
+
diff --git a/filter_subdomains.py b/filter_subdomains.py
index 3a3fc73..788b2fc 100755
--- a/filter_subdomains.py
+++ b/filter_subdomains.py
@@ -21,7 +21,6 @@ import progressbar
 import regexes
 
 DNS_TIMEOUT = 5.0
-MAX_NAMESERVERS = 512
 
 # TODO Retry failed requests
 
@@ -96,7 +95,6 @@ def get_matching_subdomains(subdomains: typing.Iterable[str],
 
     # Use interal resolver by default
     servers = nameservers or dns.resolver.Resolver().nameservers
-    servers = servers[:MAX_NAMESERVERS]
 
     # Create workers
     for server in servers:
diff --git a/filter_subdomains.sh b/filter_subdomains.sh
index 08ae897..d576b8c 100755
--- a/filter_subdomains.sh
+++ b/filter_subdomains.sh
@@ -1,12 +1,5 @@
 #!/usr/bin/env bash
 
-# Get a list of nameservers
-
-rm -f nameservers
-touch nameservers
-[ -f nameservers.head ] && cat nameservers.head >> nameservers
-curl https://public-dns.info/nameservers.txt | sort -R >> nameservers
-
 # Filter out the subdomains not pointing to a first-party tracker
 
 cat subdomains/*.list | sort -u > temp/all_subdomains.list